Raman scattering by low-energy electronic excitations of Fe2+ ion in ferrous fluosilicate
V. P. GnezdilovPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, KharkovV. V. EremenkoPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, KharkovA. V. Peschanskiı̆Physicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, KharkovV. I. FominPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, Kharkov
ABI
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The results of experimental investigations of the lowest electronic excitation spectrum of Fe2+ ions in FeSiF6·6H2O crystal are presented. The lines corresponding to electronic transitions at 9.9, 14.0, and 47.6 cm−1 are detected by the Raman scattering method. The effect of an external magnetic field is studied and the low-energy levels of Fe2+ are found to be sensitive to the field orientation relative to the trigonal crystal axis.
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